Source: ITU (1993).
1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 Netherlands 192.70 197.35 203.28 202.37 203.17 209.26 221.88 232.73 239.31 234.47 Spain 112.66 118.34 124.75 129.57 155.52 161.74 166.06 165.84 167.22 175.71 France 118.06 125.39 132.17 138.08 144.74 151.51 161.92 171.27 180.25 186.17 Germany 110.77 114.21 117.58 119.56 122.18 125.04 128.70 133.44 141.28 UK 79.25 83.49 88.95 95.50 99.25 95.99 97.58 101.38 111.94 Portugal 48.29 52.48 56.97 60.34 65.03 72.58 80.22 100.89 103.59 116.86 Czechoslovakia 82.25 88.73 83.98 85.49 92.96 56.65 Hungary 9.92 10.24 10.52 10.71 10.85 11.29 11.75 43.62 45.27 51.32